CMOS BIOS Battery for Lenovo Legion (IdeaPad) Y740-15IRH, Y740-15IRHg, Y740-15ICHg - Laptop Backup 3V RTC CR2032 with 2 Wire Cable
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies Rome Tech CMOS BIOS Battery for Lenovo Legion (IdeaPad) Y740-15IRH… as a solid pick with broad community endorsement in the tools & maintenance category, based on 2 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Rome Tech's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for tools & maintenance of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ Backed by Rome Tech's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Rome Tech BIOS CMOS battery CR2032 best suits to replace your broken or non-working old battery - we provide premium quality only
- RTC battery compatible with such models as: Lenovo Legion (IdeaPad) Y740-15IRH, Lenovo Legion (IdeaPad) Y740-15IRHg, Lenovo Legion Y740-15ICHg, Lenovo V Series V145-15AST, Acer Aspire 4333, Lenovo ThinkPad A485
- Enjoy extended reliability of the CMOS battery and heat shrink of a high caliber - the CMOS battery will last you for a long time
- The size of the entire unit is extremely small - will fit in almost any electronic device requires 3V battery connector with 2 pins and 2 wires
- Quick and simple battery CMOS installation takes only 10 minutes of your time. Try our customer service for resolving any issues during battery replacement
Full Specifications
| Brand | Rome Tech |
|---|---|
| Voltage | 3 Volts (AC) |
| Model Name | 22REGPN2032L-04 |
| Unit Count | 1.0 Count |
| Reusability | No |
| Battery Weight | 3 Grams |
| Antenna Location | Indoor |
| Battery Capacity | 225 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Number of Batteries | 1 CR2 batteries required. (included) |
| Warranty Description | 30 Days |
| Compatible Phone Models | Lenovo Legion (IdeaPad) Y740-15IRH, Lenovo Legion (IdeaPad) Y740-15IRHg, Lenovo Legion Y740-15ICHg, Lenovo V Series V145-15AST, Acer Aspire 4333, Lenovo ThinkPad A485 |
| Battery Cell Composition | Lithium Ion |
| Recommended Uses For Product | Indoor |
Ready to buy?
Rome Tech CMOS BIOS Battery for Lenovo Legion (IdeaPad) Y740-15IRH, Y740-15IRHg, Y740-15ICHg - Laptop Backup 3V RTC CR2032 with 2 Wire Cable is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.